Doctor Who

The Doctor is the title character and protagonist in the long-running BBC science fiction television series Doctor Who. The character has also been featured in two cinema feature films, one made-for-television film, and a vast range of spin-off novels, audio dramas and comic strips connected to the series. In the series, "the Doctor" is the alias assumed by a centuries-old alien who travels through space and time in his TARDIS, frequently with companions.